NCP5500中文资料Linear Voltage Regulator, LDO, 500 mA数据手册ONSEMI规格书

描述 Description

This low dropout (LDO) linear voltage regulator provides up to 500 mA over a user-adjustable output range of 1.25 V to 5.0 V, or at a fixed output voltage of 1.5 V, 3.3 V or 5.0 V, with typical output voltage accuracy better than 3%. An internal PNP pass transistor permits low dropout voltage and operation at full load current at the minimum input voltage. NCV versions are qualified for demanding automotive applications that require extended temperature operation and site and change control. NCP5500 and NCV5500 versions include an Enable/Shutdown function and are available in a DPAK 5 and SOIC 8 packages. NCP5501 and NCV5501 versions are available in DPAK 3 for applications that do not require logical on/off control. This regulator family is ideal for applications that require a broad input voltage range, and low dropout performance up to 500 mA load using low cost ceramic capacitors. Integral protection features include short circuit current and thermal shutdown.

特性 Features

• Output Current up to 500 mA
• 2.9% Output Voltage Accuracy
• Low Dropout Voltage (230 mV at 500 mA)
• Enable Control Pin (NCP5500 / NCV5500)
• Reverse Bias Protection
• Short Circuit Protection
• Thermal Shutdown
• Wide Operating Temperature RangeNCV5500 / NCV5501; -40 °Cto +125 °CAmbient TemperatureNCP5500 / NCP5501; -40 °Cto +85 °CAmbient Temperature
• NCV Prefix for Applications that Require Site and Change Control
• Stable with Low Cost Ceramic Capacitors
• These are Pb-Free Devices

应用 Application

• Automotive
• Industrial and Consumer
• Post SMPS Regulation
• Point of Use Regulation

简介

NCP5500属于集成电路（IC）的线性+开关稳压器。由制造生产的NCP5500稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。